!----------------------------------------------------------------------- &namlobopt ! optical parameters !----------------------------------------------------------------------- xkg0 = 0.0232 ! green absorption coefficient of water xkr0 = 0.225 ! red absorption coefficent of water xkgp = 0.074 ! green absorption coefficient of chl xkrp = 0.037 ! red absorption coefficient of chl xlg = 0.674 ! green chl exposant for absorption xlr = 0.629 ! red chl exposant for absorption rpig = 0.7 ! chla/chla+pheo ratio /